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        <h2 id="新建项目"><a href="#新建项目" class="headerlink" title="新建项目"></a>新建项目</h2><ul>
<li><p>选中web项目</p>
</li>
<li><p>选中mybatis、jdbc、mysql</p>
</li>
<li><p>  （redis,themeleaf）</p>
</li>
</ul>
<h2 id="建立数据库"><a href="#建立数据库" class="headerlink" title="建立数据库"></a>建立数据库</h2><ul>
<li>因为数据库字段、索引对大小写是不敏感的，驼峰标识无意义；<br>所以一般采用数据库字段下划线， 实体类驼峰的命名方式</li>
</ul>
<h2 id="项目引入yml文件"><a href="#项目引入yml文件" class="headerlink" title="项目引入yml文件"></a>项目引入yml文件</h2><a id="more"></a>

<figure class="highlight yml"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br></pre></td><td class="code"><pre><span class="line"></span><br><span class="line"><span class="attr">spring:</span></span><br><span class="line">  <span class="attr">datasource:</span></span><br><span class="line">    <span class="attr">username:</span> <span class="string">root</span></span><br><span class="line">    <span class="attr">password:</span> <span class="string">root</span></span><br><span class="line">    <span class="attr">url:</span> <span class="string">jdbc:mysql://localhost:3306/vue-admin?useUnicode=true&amp;characterEncoding=UTF-8</span></span><br><span class="line">    <span class="attr">driver-class-name:</span> <span class="string">com.mysql.jdbc.Driver</span></span><br><span class="line"></span><br><span class="line"></span><br><span class="line"></span><br><span class="line">  <span class="attr">thymeleaf:</span></span><br><span class="line">    <span class="attr">servlet:</span></span><br><span class="line">      <span class="attr">content-type:</span> <span class="string">text/html</span></span><br><span class="line">    <span class="attr">mode:</span> <span class="string">LEGACYHTML5</span></span><br><span class="line">    <span class="attr">cache:</span> <span class="literal">false</span></span><br><span class="line">    <span class="attr">prefix:</span> <span class="string">classpath:/templates/</span></span><br><span class="line">    </span><br><span class="line">    </span><br><span class="line"><span class="attr">mybatis-plus:</span></span><br><span class="line">  <span class="attr">mapper-locations:</span> <span class="string">classpath*:/mapper/**.xml</span></span><br><span class="line">  <span class="attr">typeAliasesPackage:</span> <span class="string">cn.allin.sdgreenfood.po</span></span><br></pre></td></tr></table></figure>


<h2 id="配置mapper扫描"><a href="#配置mapper扫描" class="headerlink" title="配置mapper扫描"></a>配置mapper扫描</h2><figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br></pre></td><td class="code"><pre><span class="line"><span class="meta">@MapperScan(&quot;cn.allin.huanshi.mapper&quot;)</span></span><br><span class="line"><span class="meta">@SpringBootApplication</span></span><br><span class="line"><span class="keyword">public</span> <span class="class"><span class="keyword">class</span> <span class="title">HuanShiApplication</span> </span>&#123;</span><br><span class="line"></span><br><span class="line">    <span class="function"><span class="keyword">public</span> <span class="keyword">static</span> <span class="keyword">void</span> <span class="title">main</span><span class="params">(String[] args)</span> </span>&#123;</span><br><span class="line">        SpringApplication.run(HuanShiApplication.class, args);</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>


<h2 id="配置mybatis-plus"><a href="#配置mybatis-plus" class="headerlink" title="配置mybatis-plus"></a>配置mybatis-plus</h2><figure class="highlight xml"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br></pre></td><td class="code"><pre><span class="line">        <span class="tag">&lt;<span class="name">dependency</span>&gt;</span></span><br><span class="line">            <span class="tag">&lt;<span class="name">groupId</span>&gt;</span>mysql<span class="tag">&lt;/<span class="name">groupId</span>&gt;</span></span><br><span class="line">            <span class="tag">&lt;<span class="name">artifactId</span>&gt;</span>mysql-connector-java<span class="tag">&lt;/<span class="name">artifactId</span>&gt;</span></span><br><span class="line">            <span class="tag">&lt;<span class="name">version</span>&gt;</span>5.1.34<span class="tag">&lt;/<span class="name">version</span>&gt;</span></span><br><span class="line">        <span class="tag">&lt;/<span class="name">dependency</span>&gt;</span></span><br><span class="line"><span class="comment">&lt;!--记得配置mysql 的版本 不然容易报错--&gt;</span></span><br><span class="line">	</span><br><span class="line">        <span class="tag">&lt;<span class="name">dependency</span>&gt;</span></span><br><span class="line">            <span class="tag">&lt;<span class="name">groupId</span>&gt;</span>com.baomidou<span class="tag">&lt;/<span class="name">groupId</span>&gt;</span></span><br><span class="line">            <span class="tag">&lt;<span class="name">artifactId</span>&gt;</span>mybatis-plus-boot-starter<span class="tag">&lt;/<span class="name">artifactId</span>&gt;</span></span><br><span class="line">            <span class="tag">&lt;<span class="name">version</span>&gt;</span>3.1.2<span class="tag">&lt;/<span class="name">version</span>&gt;</span></span><br><span class="line">        <span class="tag">&lt;/<span class="name">dependency</span>&gt;</span></span><br><span class="line"></span><br></pre></td></tr></table></figure>


<h2 id="配置shiro"><a href="#配置shiro" class="headerlink" title="配置shiro"></a>配置shiro</h2><figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br><span class="line">63</span><br><span class="line">64</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">//MyShiroRealm.java</span></span><br><span class="line"></span><br><span class="line"><span class="keyword">package</span> cn.allin.huanshi.shiro;</span><br><span class="line"></span><br><span class="line"></span><br><span class="line"><span class="keyword">import</span> cn.allin.huanshi.domain.User;</span><br><span class="line"><span class="keyword">import</span> cn.allin.huanshi.mapper.UserMapper;</span><br><span class="line"><span class="keyword">import</span> cn.allin.huanshi.service.UserService;</span><br><span class="line"><span class="keyword">import</span> com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;</span><br><span class="line"><span class="keyword">import</span> org.apache.shiro.authc.AuthenticationException;</span><br><span class="line"><span class="keyword">import</span> org.apache.shiro.authc.AuthenticationInfo;</span><br><span class="line"><span class="keyword">import</span> org.apache.shiro.authc.AuthenticationToken;</span><br><span class="line"><span class="keyword">import</span> org.apache.shiro.authc.SimpleAuthenticationInfo;</span><br><span class="line"><span class="keyword">import</span> org.apache.shiro.authz.AuthorizationInfo;</span><br><span class="line"><span class="keyword">import</span> org.apache.shiro.authz.SimpleAuthorizationInfo;</span><br><span class="line"><span class="keyword">import</span> org.apache.shiro.realm.AuthorizingRealm;</span><br><span class="line"><span class="keyword">import</span> org.apache.shiro.subject.PrincipalCollection;</span><br><span class="line"><span class="keyword">import</span> org.slf4j.Logger;</span><br><span class="line"><span class="keyword">import</span> org.slf4j.LoggerFactory;</span><br><span class="line"><span class="keyword">import</span> org.springframework.beans.factory.annotation.Autowired;</span><br><span class="line"></span><br><span class="line"><span class="comment">//实现AuthorizingRealm接口用户用户认证</span></span><br><span class="line"><span class="keyword">public</span> <span class="class"><span class="keyword">class</span> <span class="title">MyShiroRealm</span> <span class="keyword">extends</span> <span class="title">AuthorizingRealm</span> </span>&#123;</span><br><span class="line"></span><br><span class="line">    Logger logger = LoggerFactory.getLogger(getClass());</span><br><span class="line"></span><br><span class="line">    <span class="meta">@Autowired</span></span><br><span class="line">    UserService userService;</span><br><span class="line"></span><br><span class="line">    <span class="comment">//角色权限</span></span><br><span class="line">    <span class="meta">@Override</span></span><br><span class="line">    <span class="function"><span class="keyword">protected</span> AuthorizationInfo <span class="title">doGetAuthorizationInfo</span><span class="params">(PrincipalCollection principalCollection)</span> </span>&#123;</span><br><span class="line">        String name= (String) principalCollection.getPrimaryPrincipal();</span><br><span class="line">        User user = <span class="keyword">null</span>;</span><br><span class="line">        <span class="keyword">try</span> &#123;</span><br><span class="line">            user = userService.getUserInfo(name);</span><br><span class="line">        &#125; <span class="keyword">catch</span> (Exception e) &#123;</span><br><span class="line">            logger.info(<span class="string">&quot;授权失败！&quot;</span>);</span><br><span class="line">        &#125;</span><br><span class="line"></span><br><span class="line">        SimpleAuthorizationInfo simpleAuthorizationInfo = <span class="keyword">new</span> SimpleAuthorizationInfo();</span><br><span class="line">        simpleAuthorizationInfo.addRole(user.getRole());</span><br><span class="line"></span><br><span class="line">        <span class="keyword">return</span> simpleAuthorizationInfo;</span><br><span class="line"></span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="comment">//用户认证</span></span><br><span class="line">    <span class="meta">@Override</span></span><br><span class="line">    <span class="function"><span class="keyword">protected</span> AuthenticationInfo <span class="title">doGetAuthenticationInfo</span><span class="params">(AuthenticationToken authenticationToken)</span> <span class="keyword">throws</span> AuthenticationException </span>&#123;</span><br><span class="line">        <span class="comment">//加这一步的目的是在Post请求的时候会先进认证，然后在到请求</span></span><br><span class="line">        <span class="keyword">if</span> (authenticationToken.getPrincipal() == <span class="keyword">null</span>) &#123;</span><br><span class="line">            <span class="keyword">return</span> <span class="keyword">null</span>;</span><br><span class="line">        &#125;</span><br><span class="line">        String userName = authenticationToken.getPrincipal().toString();</span><br><span class="line"></span><br><span class="line">        User user = userService.getUserInfo(userName);</span><br><span class="line">        <span class="keyword">if</span> (user != <span class="keyword">null</span>)&#123;</span><br><span class="line">            <span class="keyword">return</span> <span class="keyword">new</span> SimpleAuthenticationInfo(user.getUsername(), user.getPassword(), getName());  <span class="comment">//此处一定传用户名  否则会导致rememberMe 失效</span></span><br><span class="line">        &#125;</span><br><span class="line">        <span class="keyword">return</span> <span class="keyword">null</span>;</span><br><span class="line"></span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">//MyFormAuthenticationFilter.java</span></span><br><span class="line"></span><br><span class="line"><span class="comment">//ShiroConfig.java</span></span><br></pre></td></tr></table></figure>





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